Cowper Weather Forecast

    • 10
    • 21

    Mostly clear

    • 9
    • 25

    Sunny

    • 8
    • 30

    Sunny

    • 9
    • 31

    Sunny

    • 11
    • 33

    Sunny

    • 14
    • 25

    Possible shower

    • 15
    • 23

    Shower or two

Today 17 Sep Northern Rivers

Partly cloudy. Medium chance of showers near the coast, near zero chance elsewhere. Winds south to southeasterly 20 to 30 km/h becoming light in the evening.

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Cowper Temperature Statistics View More

September Temperature

Grafton (Agricultural Research and Advisory Station) (13km)

  • Lowest 2 September, 2026

    7.7 °C

  • Average September

    17.7 °C

  • Highest 3 September, 2026

    32.8 °C

Climate (2021–2026)

Grafton (Agricultural Research and Advisory Station) (13km)

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  • Average Low 2021–2026

    14.4 °C

  • Average 2021–2026

    19.3 °C

  • Average High 2021–2026

    26 °C
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